Ventoy: multiple ISO images from usb to boot

Install Ventroy on a usb, normally copy ISO files to the drive, boot.

https://www.ventoy.net/en/index.html

ubuntu snap apps lacking proper fonts

 https://askubuntu.com/questions/1224125/font-characters-displayed-as-squares-in-ubuntu-18-04

rm -rf ~/.cache/fontconfig 
sudo fc-cache -r -v 

Delete every found fontconfig folder from the snap cache, e.g. 

find ~/snap/chromium/ -name 'fontconfig'

rm -rf ~/snap/chromium/common/.cache/fontconfig/  

 

TP-Link Archer T9UH v1 [Realtek RTL8814AU] driver

 TP-Link Archer T9UH v1 [Realtek RTL8814AU] driver is at https://github.com/aircrack-ng/rtl8814au.git

Thinkbook 13s ITL G2 headphones hissing sound, noise fix

Kubuntu 20.04 LTS

Problem: wired headphones reproduce constant hissing sound, noise changes with the cursor movement etc.

Solution:

 sudo hda-verb /dev/snd/hwC0D0 0x1d SET_PIN_WIDGET_CONTROL 0x0

 

Sources:

https://www.reddit.com/r/thinkpad/comments/8j8208/audio_crackling_through_both_headphone_jack_and/

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805079/comments/20

 

Thinkbook 13s G2 ITL battery conservation mode in Linux

 https://wiki.archlinux.org/title/Laptop/Lenovo#Battery_Conservation_Mode_on_IdeaPad_laptops

echo 1 >/sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode

 

Skyrim Special Edition steam fix

Launch options to fix sound issue:

 WINEDLLOVERRIDES="xaudio2_7=n,b" %command%

 

https://github.com/ValveSoftware/Proton/issues/289

Digikam settings

  Set photos and db location on first start to ~/Pictures/digikam-photos
 Configure digikam:
 Metadata page:
    Behaviour:
        Write this information to the Metadata:
            Image tags
            Rating
            Pick label
        Reading and writing metadata:
            Update file modification timestamp when files are modified
            Rescan file when files are modified
    Sidecars:
        Read from sidecar files
        Write to sidecar files
            Write XMP sidecar only
    Rotation:
        Rotate by only setting a flag